<!DOCTYPE html>
<html>
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<title>DataGrid ContextMenu - jQuery EasyUI Demo</title>
	<link rel="stylesheet" type="text/css" href="../themes/default/easyui.css">
	<link rel="stylesheet" type="text/css" href="../themes/icon.css">
	<link rel="stylesheet" type="text/css" href="demo.css">
	<script type="text/javascript" src="../jquery-1.7.2.min.js"></script>
	<script type="text/javascript" src="../jquery.easyui.min.js"></script>
	<script>
		$(function(){
			$('#tt').datagrid({
				url: 'datagrid_data2.json',
				title: 'DataGrid - ContextMenu',
				width: 700,
				height: 'auto',
				fitColumns: true,
				columns:[[
					{field:'itemid',title:'Item ID',width:80},
					{field:'productid',title:'Product ID',width:120},
					{field:'listprice',title:'List Price',width:80,align:'right'},
					{field:'unitcost',title:'Unit Cost',width:80,align:'right'},
					{field:'attr1',title:'Attribute',width:250},
					{field:'status',title:'Status',width:60,align:'center'}
				]],
				onHeaderContextMenu: function(e, field){
					e.preventDefault();
					if (!$('#tmenu').length){
						createColumnMenu();
					}
					$('#tmenu').menu('show', {
						left:e.pageX,
						top:e.pageY
					});
				}
			});
		});
		
		function createColumnMenu(){
			var tmenu = $('<div id="tmenu" style="width:100px;"></div>').appendTo('body');
			var fields = $('#tt').datagrid('getColumnFields');
			for(var i=0; i<fields.length; i++){
				$('<div iconCls="icon-ok"/>').html(fields[i]).appendTo(tmenu);
			}
			tmenu.menu({
				onClick: function(item){
					if (item.iconCls=='icon-ok'){
						$('#tt').datagrid('hideColumn', item.text);
						tmenu.menu('setIcon', {
							target: item.target,
							iconCls: 'icon-empty'
						});
					} else {
						$('#tt').datagrid('showColumn', item.text);
						tmenu.menu('setIcon', {
							target: item.target,
							iconCls: 'icon-ok'
						});
					}
				}
			});
		}
	</script>
</head>
<body>
	<h2>DataGrid - ContextMenu</h2>
	<div class="demo-info" style="margin-bottom:10px">
		<div class="demo-tip icon-tip"></div>
		<div>Right click the header of datagrid to show context menu.</div>
	</div>
	
	<table id="tt"></table>
	
</body>
</html>